Car-axle box



` Y back of the box adjacentto the hub of the car#` wheel are more effectually prevented than have AUNIT-DDv STATES PAT-END OFFICE,

FITCH-D. ADAMS, or BOSTON, MASSACHUSETTS. A I

I cARnAxvLlaj Box.

SPECIFICATION forming part of Letters PatentNo. 377,418, dated February 7, 1888.

Application filed August 30, i887. Serial No. 248.305). (No model.) Y

To all whom it may concern.-

Be it, known that I, FITCH D. ADAMS, a citizen. of the'Uuited States, residing in that part,

of Boston called Allston, in the county of Suiolk and State of Massachusetts, have invented new and useful Improvementsin Axle Boxes for Car-Wheels, which improvements are set forth in the following specification.

This invention consistsin certain specific peculiarities of construction, fully described hereinafter, by means yof -which the entrance of dust and dirt and theescape of oil at the before been done withoutrequiring any change Whatever in the axle or journal bearing.

In the drawings, Figure 1 represents a sectional view of my "improved axle box; andv Fig. 2, a perspective view of the chilled-iron stopblock, which is adapted to receive the endthrust of the axle.'

To enable others skilled in the art to make yf' f wh at I desire to Secure by Letters Patent is- Y my improved axle, I will proceed to fully describe the construction of the same.-

1 representsthe hub of the car-wheel; 2, the axle of the samefand 3the usualbearingbrass, as shown.

4 represents the axle-box, which is provided 9, it will be observed, is adapted to bear against the inner edge'of'theaxle-box neck 5.l

block 12, as described. f

This specification signed and witnessed this y 10 representsa ring of felt, which is located on the Vaxle next to the outer face of the wood-v ber ring'9, as shown.

' 11 represents a'leather kguardf the usual construction, the outer surface offwhich is'/ 12, Figs. l and 2, represents a chilled-iron stopblock held on each side of ythe box near4 its front end by proper recesses, which block ris provided with a central projection, 13, which take the endwise-thrust ofthe y The neck of the axle-box in this construcis adaptedl to axle.

tion isi kept in contact with the Wood-fiber ring k9 and the movable cast-iron ring 7 by means of the bearing-brass and wedge; but undue pressure is prevented upon these bearing* parts by the chilled-iron stop-block 12. e The cast-iron ring 7and the woodiiber ring 9-` revolve with the hub of the wheel. Y

Having thus fully described my invention,

1. In combination with the hub ofthewheel,

the axle-box having the neck 5, the 'ring of felt, the Wood-fiber ring 9, and the'` cast-iron 'f I ring 7 loose on the wheel. y

2. In combination with' the axlebox haviron ring 7, as described.

7o Y ing the neck 5, the stop-block l2, and the cast- 3. In combination with the car-wheel hib Y andthe movable plate 7, theaxlebox with the neck 5, the intermediate rings, and' the stop- 2d day of August, 1887. l

" FITCHD. ADAMS.

' Witnesses JNO. D. LEIB, Gao. W. HILLS. 

